lista 2 ex 7

#include <iostream>
using namespace std;

int main() {
int i;
float b,a;
float soma;
a= 1;
b= 1;
soma = 0;


for(i=1;i<=50;i=i+1)
{

if(i%2==1)
{
soma = soma + (a/b);

}
else if(i%2==0)
{
soma = soma - (a/b);
}
//cout<<a<<"/"<<b<<endl;
a = a + 2;
b = b + 1;

}


cout<<"soma = "<<soma<<endl;

cout<<"fim do programa"<<endl;
return 0;
}